cubrid_lock_read

(PECL CUBRID >= 8.3.0)

cubrid_lock_readSet a read lock on the given OID

Descrizione

cubrid_lock_read(resource $conn_identifier, string $oid): bool

The cubrid_lock_read() function is used to put read lock on the instance pointed by given oid.

Elenco dei parametri

conn_identifier

Connection identifier.

oid

OID of the instance that you want to put read lock on.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Esempi

Example #1 cubrid_lock_read() example

<?php
$conn 
cubrid_connect("localhost"33000"demodb""dba");

@
cubrid_execute($conn"DROP TABLE foo");
cubrid_execute($conn"CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c list(int), d char(10))");
cubrid_execute($conn"INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')");
cubrid_execute($conn"INSERT INTO foo(a, b, c, d) VALUES(2, {4,5,7}, {44,55,66,666}, 'b')");

$req cubrid_execute($conn"SELECT * FROM foo"CUBRID_INCLUDE_OID);

cubrid_move_cursor($req1CUBRID_CURSOR_FIRST);
$oid cubrid_current_oid($req);

cubrid_lock_read($conn$oid);

$attr cubrid_get($conn$oid"b");
var_dump($attr);

$attr cubrid_get($conn$oid);
var_dump($attr);

cubrid_close_request($req);
cubrid_disconnect($conn);
?>

Il precedente esempio visualizzerĂ :

string(9) "{1, 2, 3}"
array(4) {
  ["a"]=>
  string(1) "1"
  ["b"]=>
  array(3) {
    [0]=>
    string(1) "1"
    [1]=>
    string(1) "2"
    [2]=>
    string(1) "3"
  }
  ["c"]=>
  array(4) {
    [0]=>
    string(2) "11"
    [1]=>
    string(2) "22"
    [2]=>
    string(2) "33"
    [3]=>
    string(3) "333"
  }
  ["d"]=>
  string(10) "a         "
}

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